E27.4 – Other and unspecified adrenocortical insufficiency
ICD-10-CM 2027 diagnosis code · Disorders of other endocrine glands
ICD-10-CM code
E27.4
- Code
E27.4(claims format:E274)- Description
- Other and unspecified adrenocortical insufficiency
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 4. Endocrine, nutritional and metabolic diseases (E00-E89)
- Block
- E20-E35 Disorders of other endocrine glands
- Parent codes
- E27
Billable codes under E27.4
E27.4 is a header code and cannot be used on claims. Choose the most specific code:
Notes for E27.4
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
Block E20-E35
Related codes in E27
- E27.0 – Other adrenocortical overactivityBillable
- E27.1 – Primary adrenocortical insufficiencyBillable
- E27.2 – Addisonian crisisBillable
- E27.3 – Drug-induced adrenocortical insufficiencyBillable
- E27.5 – Adrenomedullary hyperfunctionBillable
- E27.8 – Other specified disorders of adrenal glandBillable
- E27.9 – Disorder of adrenal gland, unspecifiedBillable
Frequently asked questions
What is ICD-10 code E27.4?
E27.4 is the ICD-10-CM code for other and unspecified adrenocortical insufficiency, in the block E20-E35 (Disorders of other endocrine glands).
Is E27.4 a billable code?
No. E27.4 is a header code with more specific child codes; report one of the billable codes listed above.
What category does E27.4 belong to?
It belongs to category E27 – Other disorders of adrenal gland.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.